1

JEE Advanced 2014 Paper 1 Offline

Numerical
A list of species having the formula XZ4 is given below.

XeF4, SF4 ,SiF4, $$BF_4^-$$, $$BrF_4^-$$, [Cu(NH)3]2+, [FeCl4]2-, [CoCl4]2- and [PtCl4]2-

Defining shape on the basis of the location of X and Z atoms, the total number of species having a square planar shape is
Your Input ________

Answer

Correct Answer is 4
2

JEE Advanced 2013 (Offline)

Numerical
The total number of lone-pairs of electrons in melamine is
Your Input ________

Answer

Correct Answer is 6
3

IIT-JEE 2010

Numerical
Based on VSEPR theory, the number of 90 degree F-BR-F angles in BrF5 is
Your Input ________

Answer

Correct Answer is 0
4

IIT-JEE 1982

Numerical
There are ______ $$\pi$$ bonds in a nitrogen molecule.
Your Input ________

Answer

Correct Answer is 2

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