| Question 1: Identify the suitable regent for the following conversion. |
(4) (i) AlH(iBu) 2 , (ii) H 2 O |
| Question 2: The correct order of the decreasing acidity of the following aliphatic acids is ________. |
HCOOH > CH3COOH > (CH3)2CHCOOH > (CH3)3CCOOH |
| Question 3: Which one of the following reactions does not belong to Lassalgne's test? |
2CuO + C (on heat)--> 2 Cu + CO2 |
| Question 4: If the rate constant of reaction is 0.03 s-1, then how much time does h take for 7.2 mol L L-1 concentration.... |
69.3 s |
| Question 5: Out of the following complex compounds, which of the compound will be having the minimum conductance in solution? |
[Co(NH3)3Cl3] |
| Question 6: Which of the following aqueous solution will exhibit highest boiling point? |
0.01MNa2SO4 |
| Question 7: Consider the following compounds: .....The oxidation states of the underlined elements in them are _________. |
+1, -1, and +6 |
Question 8: Given below are two statements, one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Compund 1 undergoes SN reaction faster than Compund 2
Reason (R): Iodine is a better leaving group because of its large size. |
Both A and R are true and R is the correct exaplanation of A. |
Question 9: Given below are two statements:
Statement I: Like nitrogen that can form ammonia, arsenic can form arsine.
Statement II: Anitmony cannot form antimony peroxide. |
Both Statement I and Statement II are true. |
Question 10: Given below are two statements:
Statement I: A hypothetical diatomic molecule with bond order zero is quite stable.
Statement II: As bond order increases, the bond length increases. |
Both Statement I and Statement II are false. |
Question 11: Given below are two statements:
Statement I: Ferromagnetism is considered as an extreme form of paramagnetic.
Statement II: The number of unpaired electrons in a Cr2+ ion is the same as that of a Nd3+ion. |
Both Statement I and Statement II are true. |
| Question 12: If the half life for the first order reaction is 1 minute, then the time required for 99.9% completion of the reaction is closest to _________. |
10 minutes |
| Question 13: Phosphoric acid ionizes in three steps with their ionization constant values... |
A, B, and C only |
| Question 14: If the molar conductivity of the 0.05 mol L-1solution of a monobasic weak acid is.... |
0.225 |
| Question 15: Which of the following diagrams gives an accurate representation of the above reaction? |
(1) |
| Question 16: Among the following choose the ones with equal number of atoms.... |
A, B, and D only |
| Question 17: For the reaction A (g) ⇔ 2B (g), the bakward reaction rate constant is higher than the forward... |
0.033 |
Question 18: 5 moles of liquid of X and 10 moles of liquid Y make a solution having a vapor pressure of 70 torr. The vapor pressure of pure X and Y are 63 torr and 78 torr respectively. Which of the following is true regarding the described solution?
(1)The solution shows positive deviation.
(2)The solution shows negative deviation.
(3)The solution is ideal.
(4)The solution has volume greater than the sum of the individual volumes. |
The solution shows negative deviation. |
| Question 19: The standard heat of formation in kcal/mol of Ba2+ is __________ |
-128.5 |
Question 20: Higher yield of NO in.... can be obtained at _________.
(A)higher temperature
(B)lower temperature
(C)higher concentration of N2
(D)higher concentration of O2 |
A, C, and D only |
| Question 21: How many products (including stereoisomers) are expected from monochlorination of the following compound? |
6 |
Question 22: Which of the following statements are true?
(A)Unlike Ga that has a very high melting point, Cs has a very low melting point.
(B)On Pauling scale, the electronegativity values of N and Cl are not the same.
(C)Ar, K, Cl, Ca, and S are all isoelectronic species.
(D)The correct order of the first ionization enthapies is....
(E)The atomic radius of Cs is greater than that of Li and Rb. |
A, C, and E only |
| Question 23: The correct order of decreasing basic strength of the given amines is ________. |
N-ethylethaneamine > ethanamine > N-methlyaniline > benzenamine |
| Question 24: Which one of the following compounds can exist as cis-trans isomers? |
2-Methylhex-2-ene |
| Question 25: The ratio of wavelengths of light absorbed by a Hydrogen atom when it undergoes n=2 --> n=3 and n=4 --> n=6 transitions is _________. |
1/4 |
| Question 26: The correct order of the wavelength of light absorbed by the following complexes is .... Choose the correct answer from the options given below: |
B < A < D < C |
| Question 27: Among the given compounds I-III, the correct order of bond dissociation energy of C-H bond marked with * is |
II > I > III |
| Question 28: Which of the following are paramagnetic: |
A and D only |
| Question 29: Which one of the following compounds does not decolorize bromine water? |
Benzene |
Question 30: Given below are two statements:
Statement I: Benzenediazodium salt is prepared by the reaction of aniline with nitrous acid at 273-278 K. It decomposes easily in dry state.
Statement II: Insertion of iodine into the benzene ringis difficult and hence iodobenzene is prepared through the reaction of benzenediazodium salt with KI. |
Both Statement I and Statement II are correct. |
Question 31: Sugar X is found in
(A)is found in honey
(B)is a keto sugar
(C)exists in anomeric forms.
(D)is laevorotatory.
X is: ___________. |
D-Fructose |
| Question 32: Dalton's Atomic Theory could not explain which of the following: ______________ |
Law of gaseous volume |
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