Q17 / 160 · AP EAMCET 2018 (22 Apr Shift 1) · Chemistry

Identify the correct statements from the following (i) Petrol and CNG operated automobiles cause less pollution (ii) Alkanes having tertiary hydrogen can be oxidised to alcohols by $\mathrm{KMnO}_4$ (iii) Methane can be prepared by Kolbe's electrolytic method. (iv) Alkyl chloride on reduction with zinc and dilute hydrochloric acid gives alkane

  • A
    (i), (iii), (iv)
  • B
    (i), (ii)
  • Correct answer
    C
    (i), (ii), (iv)
  • D
    (iii), (iv)

Solution

(i) Petrol and CNG operated automobiles causes less pollution. (ii) Alkane having tertiary hydrogen therefore oxidise in presence of $\mathrm{KMnO}_4$ into alcohol. (iv) Alkyl halide on reduction with zinc and dilute $\mathrm{HCl}$ gives alkane.

Hence, the correct answer is option: 'C'.

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