Statement-I `int_0^9[sqrtx]dx=13`, Statement-II `int_0^(n^2) [sqrt x]dx=(n(n-1)(4n+1))/6`, `n in N` (where [.] denotes greatest integer function) (1) Statement-I is true, Statement-II is true Statement-II is a correct explanation for Statement-I (2) Statement-I is true, Statement-II is true Statement-II is not a correct explanation for Statement-I, (3) Statement-I is true, Statement-II is false. (4) Statment-I is false, Statement-II is true.

If A is 2 x 2 invertible matrix such that A=adjA-A^-1 Statement-I 2A^2+I=O(null matrix) Statement-II: 2|A|=1 (i) Statement-I is true, Statement-II is true; Statement-II is a correct explanation for Statement-I (2) Statement-I is true, Statement-II is true; Statement-II is not a correct explanation for Statement-I. 3) Statement-I is true, Statement-II is false. (4) Statement-I is false, Statement-II is true.

This question has statement I and Statement II. Of the four choices given after the statements, choose the one that best describes the two Statements. (1) Statement-I is true, Statement-II is true, Statement-II is a correct explanation of Statement-I (2) Statement-I is true, Statement-II is true,Statement-II is not a correct explanation of Statement-I (3)Statement-I is a true , Statement-II is false (4) Statement-I is false, Statement-II is true Statement 1 : Silicon tetrafluoride, SiF_4 is non polar even though fluorine is much more electronegative than silicon. Statement 2: The four bond dipoles cancel one another in SiF_4 .

This question has statement I and Statement II. Of the four choices given after the statements, choose the one that best describes the two Statements. (1) Statement-I is true, Statement-II is true, Statement-II is a correct explanation of Statement-I (2) Statement-I is true, Statement-II is true,Statement-II is not a correct explanation of Statement-I (3)Statement-I is a true , Statement-II is false (4) Statement-I is false, Statement-II is true Statement 1 : There are ten valence electrons on the sulphur atom In SF_4 molecule. Statement 2 : The structure of SF_4 molecule is based on a distorted trigonal bipyramidal.

This question has statement I and Statement II. Of the four choices given after the statements, choose the one that best describes the two Statements. (1) Statement-I is true, Statement-II is true, Statement-II is a correct explanation of Statement-I (2) Statement-I is true, Statement-II is true,Statement-II is not a correct explanation of Statement-I (3)Statement-I is a true , Statement-II is false (4) Statement-I is false, Statement-II is true Statement-I : B_2 molecule is diamagnetic. Statement-II: The highest occupied molecular orbital is of pi -type.

This question has statement I and Statement II. Of the four choices given after the statements, choose the one that best describes the two Statements. (1) Statement-I is true, Statement-II is true, Statement-II is a correct explanation of Statement-I (2) Statement-I is true, Statement-II is true,Statement-II is not a correct explanation of Statement-I (3)Statement-I is a true , Statement-II is false (4) Statement-I is false, Statement-II is true Statement 1: The geometry of formaldehyde molecule is trigonal planar. Statement 2 : In H_2CO molecule, the carbon atom is surrounded by 3 sigma bonding electron pairs.

This question has statement I and Statement II. Of the four choices given after the statements, choose the one that best describes the two Statements. (1) Statement-I is true, Statement-II is true, Statement-II is a correct explanation of Statement-I (2) Statement-I is true, Statement-II is true,Statement-II is not a correct explanation of Statement-I (3)Statement-I is a true , Statement-II is false (4) Statement-I is false, Statement-II is true Statement-I: Nitrogen is unreactive at room temperature but becomes reactive at elevated temperatures ( on heating or in the presence of cataalysts ). Statement-II : In nitrogen molecule, there is extensive delocalisation of electrons.

This question has statement I and Statement II. Of the four choices given after the statements, choose the one that best describes the two Statements. (1) Statement-I is true, Statement-II is true, Statement-II is a correct explanation of Statement-I (2) Statement-I is true, Statement-II is true,Statement-II is not a correct explanation of Statement-I (3)Statement-I is a true , Statement-II is false (4) Statement-I is false, Statement-II is true Statement-I: The dipole moment helps to predict whether a molecule is polar or non-polar Statement-II: The dipole moment helps to predict the geometry of molecules.

This question has statement I and Statement II. Of the four choices given after the statements, choose the one that best describes the two Statements. (1) Statement-I is true, Statement-II is true, Statement-II is a correct explanation of Statement-I (2) Statement-I is true, Statement-II is true,Statement-II is not a correct explanation of Statement-I (3)Statement-I is a true , Statement-II is false (4) Statement-I is false, Statement-II is true Statement-I: Boiling points of cis-isomers are higher than trans-isomers. Statement-II: Dipole moments of cis isomers are higher than trans-isomers.

This question has statement I and Statement II. Of the four choices given after the statements, choose the one that best describes the two Statements. (1) Statement-I is true, Statement-II is true, Statement-II is a correct explanation of Statement-I (2) Statement-I is true, Statement-II is true,Statement-II is not a correct explanation of Statement-I (3)Statement-I is a true , Statement-II is false (4) Statement-I is false, Statement-II is true Statement-I : LiCl is predominantly a covalent compound. Statement-II: Electronegativity difference between Li and Cl is too small.

This question has statement I and Statement II. Of the four choices given after the statements, choose the one that best describes the two Statements. (1) Statement-I is true, Statement-II is true, Statement-II is a correct explanation of Statement-I (2) Statement-I is true, Statement-II is true,Statement-II is not a correct explanation of Statement-I (3)Statement-I is a true , Statement-II is false (4) Statement-I is false, Statement-II is true Statement-I : Bond order can assume any value including zero. Statement-II : Higher the bond order, shorter is the bond length and greater is the bond energy.