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Which one of the following reactions of Xenon compounds is not feasible ?

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Copper crystallizes in fcc with a unit cell length of 361pm. What is the radius of copper atom ?

Which of the following pairs represents linkage isomers ?

A capillary tube (A) is drooped in water. Another identical tube (B) is dipped in a soap water solution which of the following shows the relative nature of the liquid columns in the two tubes ?

If the mean deviation of the numbers $1,1+d,1+2d,…,1+100d$ from their mean is 255, thenthe d is equal to

This question contains statements-1 and Statement-2. Of the four choice given after the statements, choose the one that best describes the two statements. Statement-1 : For a charged particle moving from point P to point Q, the net work done by an electrostatic field on the particle is independent of the path connecting point P to point Q. Statement-2 : The net work done by a conservative force on an object moving along a closed loop is zero

The ellipse $x_{2}+4y_{2}=4$is inscribed in a rectangle aligned with the coordinate axes, which in turn is inscribed in another ellipse that passes through the point (4, 0). Then the equation of the ellipse is

A focus of an ellipse is at the origin. The directrix is the line $x=4$and the eccentricity is 1/2. Then the length of the semimajor axis is

The organic chloro compound, which shows complete stereochemical inversion during a $S_{N}2$ reaction, is