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From the following energy levels of hydrogen atom, the value of $E_{\infty}$ and $E_{3}$ in J are, respectively

______________ $E_{\infty}$`=-------------

______________ $E_{3}$ =----------------

______________ $E_{2}=-0.545 \times 10^{-18} J$

_____________ $E_{1}=-2.18 \times 10^{-18} J$

A) 1, $-0.242 \times 10^{-18}$

B) $\infty$ , $-0.726 \times 10^{-18}$

C) 0, $-0.242 \times 10^{-18}$

D) 0,$ -0.321 \times 10^{-18}$

How many of the following species are diamagnetic?

$He_{2}^{+}, H_{2}^{+}, H_{2}^{-}, He$

A) 1

B) 2

C) 3

D) 0

Identify the oxidation states of Mn, when $MnO_{4}^{2-}$ ion undergoes disproportionation reaction under acidic medium

A) +2,+7

B) +2,+5

C) +4,+4

D) +7,+4

The freezing point of solution containing 10 mL of non-volatile and non-electrolyte liquid " A" in 500 g of water is $-0.413^{0} C$. If $K_{f}$ of water is 1.86 K kg $mol^{-1}$ and the molecular weight of A=60 g $mol^{-1}$, what is the density of the solution in g $mL^{-1}$ ?

(Assume $\triangle _{mix}$v=0)

A) 1.13

B) 1.3

C) 0.90

D) 0.993

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) $[CoF_{6}]^{3-}$

The variation of compressibility factor (Z) with pressure (p in bar) for some gases are shown in the figure below, Identify the gases (A),(B) and (C) respectively

A) real gas , $N_{2},CO_{2}$

B) ideal gas, $H_{2},CO_{2}$

C) ideal gas, $CO_{2}, H_{2},$

D) real gas , $H_{2},CO_{2}$

Match the following

THe correct statement is

A) A:IV,B:III,C:I,D:II

B) A:III,B:I, C:IV,D:II

C) A:IV,B:I,C:III,D:II

D) A:II,B:I,C:IV,D:III

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

The compound that does not undergo haloform reaction is

A) $CH_{3}CHO$

B) $CH_{3}CH_{2}OH$

C) $CH_{3}COCH_{3}$

D) $C_{2}H_{5}COCH_{2}CH_{3}$

Find the suitable method from the following to prepare primary amines without the loss of carbons

A) Gabriel method

B) Alkylation method

C) Hoffman Bromamide method

D) Stephen method

What is the bonding nature in LiCl bond?

A) Pure ionic

B) pure covalent

C) coordinate bond

D) ionic and covalent

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

Which of the following series correctly represents the energy of the radiation?

A) Radio waves > X-rays >visible > IR

B) UV > X-rays > IR >radio waves

C) $\gamma$-rays-IR > visible >micro wave

D) X-rays > UV > IR > microwaves

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) $C_{8}H_{8}$

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

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