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NEET UG CHEMISTRY MCQ: 14 TH GROUP ELEMENTS (P-BLOCK)

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The stability of hydrides of carbon family is in the order
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Correct option: A
CH4>SiH4>GeH4>SnH4>PbH4\mathrm{C}{\mathrm{H}_4} > Si{\mathrm{H}_4} > Ge{\mathrm{H}_4} > Sn{\mathrm{H}_4} > Pb{\mathrm{H}_4}
The correct answer is A (CH4>SiH4>GeH4>SnH4>PbH4\mathrm{C}{\mathrm{H}_4} > Si{\mathrm{H}_4} > Ge{\mathrm{H}_4} > Sn{\mathrm{H}_4} > Pb{\mathrm{H}_4}) because the stability of hydrides decreases down the group due to decreasing bond energy and increasing atomic size.

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