Multiple choice

Which of the following statements is not correct?

  1. When ethyne reacts with chlorido(methyl)magnesium, hydrogen is evolved.
  2. OCOCH3 is an ortho-, para- directing group but –COOCH3 is a meta-directing group.
  3. Lindlar catalyst is a heterogeneous catalyst that consists of palladium deposited on calcium carbonate or barium sulfate and treated with various forms of lead.

  1. Only 1

  2. Only 2

  3. Only 3

  4. 2 and 3

  5. 1 and 2
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This option is wrong because Lindlar catalyst is a heterogeneous catalyst that consists of palladium deposited on calcium carbonate or barium sulfate and treated with various forms of lead, is true statement.

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