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Standard X

Chemistry

Covalent Bond vs Ionic Bond

Allylides are...

Question

Allylides are ionic carbides. They contain :

C^{4 -}

ions

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C_{2}^{2 -}

ions

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C_{3}^{3 -}

ions

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C_{3}^{4 -}

ions

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Solution

The correct option is D $C_{3}^{4 -}$ ions
Allylides gives 1-propyne on hydrolysis with water.
${M g}_{2} C_{3} + {4 H}_{2} O \to 2 M g {(O H)}_{2} + {C H}_{3} - C \equiv C H$
Such compounds contain $C_{3}^{4 -} [C - C \equiv C]^{4 -}$ .

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Allylides are ionic carbides. They contain :

The correct option is D C4−3 ionsAllylides gives 1-propyne on hydrolysis with water.Mg2C3+4H2O→2Mg(OH)2+CH3−C≡CHSuch compounds contain C4−3[C−C≡C]4−.

The correct option is D $C_{3}^{4 -}$ ions
Allylides gives 1-propyne on hydrolysis with water.
${M g}_{2} C_{3} + {4 H}_{2} O \to 2 M g {(O H)}_{2} + {C H}_{3} - C \equiv C H$
Such compounds contain $C_{3}^{4 -} [C - C \equiv C]^{4 -}$ .