11.

Which compound present in diesel?

• Cetane

• TiCl₄

• Cyclo pentandenyl manganese carbonyl

• Iso octane

Which of the following is an organometallic compound?

• Lithium acetate

• Methyl lithium

• Lithium dimethyl amide

• Lithium methoxide

Acetylene and HCHO react in presence of copper acetylide catalyst to form

• But-2-yne-1, 2-diol

• But-1-yne-1, 4-diol

• But-2-ene-1, 4-diol

• 2-butyne-1, 4-diol

Compound A on ozonolysis gives acetone and glyoxal. The compound A is

• 2, 5-dimethyl hex-2, 4-dene

• 2, 5-dimethyl hex-1, 5-diene

• 2, 5-dimethyl hex-3, 4-diene

• 2, 5-dimethyl but-2, ene

${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{C}\equiv \mathrm{CH}\underset{\mathrm{B}}{\overset{\mathrm{A}}{\rightleftharpoons }} {\mathrm{CH}}_3\mathrm{C}\equiv \mathrm{C}-{\mathrm{CH}}_3$, A and B are

• alc KOH and SeO₂

• NaNH₂ and lindlar catalyst

• alc KOH and NaNH₂

• Lindlar catalyst and NaNH₂

"ELEKTRON" is an alloy of

• Cu, Zn and Mg

• Fe and Mg

• Ni and Zn

• Al and Zn

Correct order for solubility of alkaline earth metals in water is 

• MgF₂ > CaF₂ > SrF₂ > BaF₂

• MgF₂ <CaF₂ <SrF₂ <BaF₂

• MgF₂ > CaF₂ < SrF₂ < BaF₂

• BaF₂ >MgF₂ >SrF₂ >CaF₂ 

A metal reacts with dil acid and liberates hydrogen. If the reduction potential of hydrogen be considered zero, the reduction potential of that metal will be

• equal to its oxidation potential

• positive

• Zero

• negative

Match List I with List II and choose correct answerfrom the codes given below

• A     B     C     D

  (i)  (ii)  (iii)   (iv)

• A     B     C     D

  (ii)  (iii)   (i)   (iv)

• A     B     C    D

  (iii)  (i)  (ii)  (iv)

• A      B    C    D

  (iv)  (i)  (ii)  (iii)

Finely divided powder of charcoal adsorbs the substance X to a large extent. This is because

• the surface area of charcoal is increased

• charcoal powder can be spread over X homogeneously

• X can be spread over charcoal homogeneously

• charcoal is highly reactive