AIEEE
Exam
Pairs of species having identical shapes of
molecules is
(A) CF4, SF4 (B) BF3, PCl3
(C) XeF2, CO2 (D) PF5, IF5
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AIEEE Other Question
The highly metallic element will have the
configuration of -
(A) 2, 8, 7 (B) 2, 8, 8, 5
(C) 2, 8, 8, 1 (D) 2, 8, 2
Which of the following substances gives
dinitrogen on heating –
(A) HNO3 (B) (NH4)2Cr2O7
(C) NH4Cl (D) All of them