Life Sciences
GATE XL topic:structure-bonding PYQs
Build your understanding with focused practice from past exam papers.
Questions 11–20 of 21. Imported answers require independent review unless marked reviewed.
Question 7
Open questionXL-PMCQ2 marksNeeds review
The O–O bond order in
species isYour answerChoose one option.
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Open questionXL-PMCQ2 marksNeeds review
Based on the molecular orbital theory, which one of the following statements with respect to N
, N
, O
and O
is correct?Your answerChoose one option.
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Open questionXL-PMCQ2 marksNeeds review
Which one of the following statements is incorrect about the diborane molecule?
Your answerChoose one option.
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Open questionXL-PMCQ1 markNeeds review
The boiling point of halogens from F₂ to I₂ increases due to
Your answerChoose one option.
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Open questionXL-PMCQ1 markNeeds review
According to VSEPR theory, the species that has the smallest F-X-F angle (where X = central atom) is
Your answerChoose one option.
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Open questionXL-PMCQ1 markNeeds review
Hybridization of xenon in XeF
isYour answerChoose one option.
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Open questionXL-PMCQ2 marksNeeds review
Among B–H, C–H, N–H and Si–H bonds in BH
, CH
, NH
and SiH
, respectively, the polarity of the bond which is shown INCORRECTLY isYour answerChoose one option.
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Open questionXL-PMCQ2 marksNeeds review
Among the following statements,
(i) [NiCl
]
(atomic number of Ni = 28) is diamagnetic
(ii) Ethylene is a weaker Lewis base compared to pyridine
(iii) [NiCl
{P(C
H
)
}
] has two geometrical isomers
(iv) Bond angle in H
O is greater than that in H
S,
the CORRECT one isYour answerChoose one option.
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Open questionXL-PMCQ1 markNeeds review
Molecules that are NOT isoelectronic to NO₂⁺ ion are
Your answerChoose one option.
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Open questionXL-PMCQ2 marksNeeds review
The pair of molecules having non-linear structures is
Your answerChoose one option.
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