1 What is the correction term in the pressure for real gas in comparison to the ideal gas? A) $\frac{n^{2}}{V^{2}}$ B) $\frac{aV^{2}}{n^{2}}$ C) $\frac{an^{2}}{V^{2}}$ D) $\frac{an^{2}}{V^{}}-nb$
2 Which one of the following is used as an eye lotion? A) milk of magnesia B) silver sol C) colloidal antimony D) Chromium salt sol
3 Statement (A) Sulphur vapour is paramagnetic Statement (B) Reaction of dil.HCl with finely divided iron forms $FeCl_{3}$ and $H_{2}$ gas The correct answer is A) Statement (A) is correct, but (B) is wrong B) Both the statement are correct C) Statement (A) is wrong , but (B) is correct D) Both the statement s are wrong
4 Which one of following complex has the highest magnitude of crystal field splitting energy ($\triangle _{0}$)? A) $[Co(H_{2}O)_{6}]^{3+}$ B) $[Co(NH_{3})_{6}]^{3+}$ C) $[Co(C_{2}O_{4})_{3}]^{3-}$ D) $[CoF_{6}]^{3-}$
5 While combusting in air, 4g of $H_{2}$ gas was completely converted into water .If 36 $\mu$ mole of $CO_{2}$ from air is dissolved into that water, what is the concentration of $CO_{2}$? A) 1 $\mu$ M B) 1 mM C) 1 nM D) 1000 mM
6 The boiling point (in K) of cis but-2-ene and dipole moment (in D) of trans but-2-ene are respectively A) 274,0.00 B) 277,0.00 C) 277,0.33 D) 274,0.33
7 The maximum number of electrons that can have the set of quantum numbers, n=4, ml=0 and ms = 1/2 is A) 3 B) 4 C) 5 D) 6
8 Calculate the depression in the freezing point of a solution containing 0.1 g of $K_{3}[Fe(CN)_{6}]$ in 100 g of $H_{2}O$? (molecular weight of $K_{3}[Fe(CN)_{6}]$ =369; $K_{f}$=1.86 K Kg mol-1) A) 0 B) 1.223 C) 0.0226 D) 0.226
9 Statement (A) Mg can reduce $Al_{2}O_{3}$ above $1350^{0} C$ Statement (B) Al can reduce MgO below $1350^{0} C$ The correct answer is A) Both (A) and (B) are wrong B) (A) is correct, but (B) is wrong C) (A) is wrong , but (B) `is correct D) Both (A) and (B)are correct
10 Match the following A) A:IV,B:III,C:II,D:I B) A:II,B:III,C:IV,D:I C) A:II,B:II,C:I,D:IV D) A:I,B:IV,C:III, D:II
11 Identify the correct order of ionic radii of the following ions. A) $Al^{3+} > K^{+} > Mg^{2+}> Li^{+}$ B) $K^{+} >Mg^{2+} > Al^{3+} > Li^{+}$ C) $K^{+} > Li^{+} >Mg^{2+}>Al^{3+}$ D) $K^{+} > Mg ^{2+} >Li^{+} > Al^{3+}$
12 The vapour pressure of pure $CCl_{4}$ (molar mass=154 g mol-1) and $SnCl_{4}$ (molar mass=170 g mol-1) at $25^{0} C$ are 115.0 and 238.0 torr respectively . Assuming ideal behaviour , calculate the total approximate vapour pressure in torr of a solution containing 10 g of $CCl_{4}$ and 15 g of $SnCl_{4}$. A) 185.85 B) 190.0 C) 180.7 D) 182.1
13 A camphor sample melts at $176 ^{0} C.$ $K_{f}$ for camphor is 40 K kg mol-1 . A solution of 0.02g of a hydrocarbon in 0.8 g of camphor melts at $156.77^{0}C$ . Hydrocarbon is made up of 92.3% of carbon. What is the molecular formula of the hydrocarbon? A) $C_{6}H_{6}$ B) $C_{12}H_{12}$ C) $C_{4}H_{4}$ D) $C_{8}H_{8}$
14 The first-order decomposition of $H_{2}O_{2}$ in an appropriate medium is characterised by a rate constant of 0.2303 min-1 . What is the time (in min) required to complete 9/10 fraction of the reaction? A) 0.1 B) 10 C) 100 D) 0.01
15 Find the reagent that oxidises glucose into saccharic acid? A) $Br_{2},H_{2}O$ B) Hl,$\triangle$ C) $HNO_{3}, H_{2}O$ D) HCN
