A metal (M) produces a gas (N) on reaction with alkalies like NaOH and KOH. Same gas is produced when the metal reacts with dilute sulphuric acid. Gas (N) reacts with another toxic gas (P) to form methanol at high temperature and pressure. (N) also reacts with reacts metals like (Q) to form electrovalent hydrides. M, N, P and Q respectively are

Question

A metal (M) produces a gas (N) on reaction with alkalies like NaOH and KOH. Same gas is produced when the metal reacts with dilute sulphuric acid. Gas (N) reacts with another toxic gas (P) to form methanol at high temperature and pressure. (N) also reacts with reacts metals like (Q) to form electrovalent hydrides. M, N, P and Q respectively are, Z n , H 2 , C O , N a, N a , H 2 , C l 2 , C a, A l , H 2 , H 2 S , B, M g , H 2 , N O 2 , A l

MARKS App · Accepted Answer

Z n M + 2 N a O H → N a 2 Z n O 2 + H 2 N Z n + H 2 S O 4 → Z n S O 4 + H 2 C O ( P ) + 2 H 2 → 700 K , 200 a t m C o c a t a l y s t C H 3 O H , 2 N a ( Q ) + H 2 → 2 N a H

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