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Consider the following compounds : (i)...

Consider the following compounds :
`(i) IF_(5) " " (ii) ClI_(4)^(-) " " (iii) XeO_(2)F_(2) " " (iv) NH_(2)^(-) `
`(v) BCl_(3) " " (vi) BeCl_(2) " " (vii) AsCl_(4)^(+) " " (viii) B(OH)_(3)`
(ix) `NO_(2)^(-) " " (x) ClO_(2)^(+)`
Then calculate value of "x+y-z", here, x,y and z are total number of compounds in given compounds in which central atom used their all three p-orbitals, only two p-orbitals and only one p-orbital in hybridisation respectively .

A

5

B

3

C

4

D

2

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Among the following, total no. of planar species is : (i) SF_(4) " " (ii) BrF_(3) " " (iii) XeF_(2) " " (iv) IF_(5) (v) SbF_(4)^(-) " " (vi) SF_(5)^(-) " " (vii) SeF_(3)^(+) " " (viii) CH_(3)^(+) (ix) PCl_(4)^(+)

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Find the degree of each of the following polynomials : (i) 3x^(4)-x^(2)+8 " " (ii) y^(2)-5y+7 " " (iii) 3x+4 " " (iv) 3 (v) x-2x^(2)+5x^(7) " " (vi) 2y^(2)-5y^(6)+1 " "(vii) x^(3)-1 " " (viii) 3x+5x^(5)+1

KVPY PREVIOUS YEAR-MOCK TEST 2-EXERCISE
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