11.

Which of the following compounds can exhibit both geometrical isomerism and enantiomerism ?

• ${\mathrm{CH}}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}$

• ${\mathrm{CH}}_3-{\mathrm{CH}}_2-\mathrm{CH}\left({\mathrm{CH}}_3\right)-\mathrm{CH}=\mathrm{CH}-{\mathrm{CH}}_3$

• ${\mathrm{CH}}_3{\mathrm{CH}}_2-\left({\mathrm{CH}}_3\right)\mathrm{C}=\mathrm{CH}-\mathrm{COOH}$

• ${\mathrm{CH}}_3-\mathrm{CHOH}-\mathrm{COOH}$

Give the IUPAC name of m-ClCH₂C₆H₄CH₂C(CH₃)₃

• 1-(3 - chloro - 3- methylphenyl)-2, 2- diethyl propane

• 2 - (3 - chloromethyl propyl) -2, 2- dimethyl propane

• 1 - (3 - chloromethyl phenyl)-3, 3- dimethyl propane

• 1 - chloromethyl - 3- (2, 2 - dimethyl propyl) benzene

The reaction of toluene with chlorine in presence of ferric chloride gives predominatly

• benzoyl chloride

• m - chlorotoluene

• benzyl chloride

• o- and p - chlorotoluene

The compound that is both paramagnetic and coloured is

• K₂Cr₂O₇

• (NH₄)₂ [TiCl₆]

• V₀SO₄

• K₃[Cu(CN)₄]

A solution of KMnO₄ is reduced to a various products depending upon its pH. At pH<7, it is reduced to a colourless solution (A), at pH =7 it forms a brown precipitate (B) and at pH> 7, it gives a green solution (C).(A), (B) and (C) are

• A	B	C
  Mn2+	MnO2	${\mathrm{MnO}}_4^{2-}$

• A	B	C
  MnO2	Mn2+	${\mathrm{MnO}}_4^{2-}$

• A	B	C
  ${\mathrm{MnO}}_4^{2-}$	Mn2+	MnO2

• A	B	C
  Mn2+	${\mathrm{MnO}}_4^{2-}$	MnO2

Although zirconium belongs to 4d and hafnium belongs to 5d transition series even they show similar physical and chemical properties because both

• belong to d- block

• have same number of electrons

• belongs to the same group of the periodic table

• have similar atomic radius

Which of the following good reducing agent?

• Yb²⁺

• Ce⁴⁺

• Tb⁴⁺

• La³⁺

Which of the following will not give tests for free transition metal ion in solution ?

• K₂[Ni(CN)₄]

• FeSO₄.K₂SO₄.24H₂O

• Both of the above

• None of the above

Among the following metal carbonyls, the C- O bond order is lowest in

• [Mn(CO)₆]⁺

• [Fe(CO)₅]

• [Cr(CO)₆]

• [V(CO)₆]^-

The unit cell length of sodium chloride crystal is 564 pm. Its density would be

• 1.082 g cm^-3

• 2.165 g cm^-3

• 3.247 g cm^-3

• 4.330 g cm^-3