Question Answers

Which of the following alkali metal ions has lowest ionic mobility in aqueous solutions (a) Rb + (b) Cs + (c) Li + (d) Na + Which of the following alkali metal ions has lowest ionic mobility in aqueous solutions (a) Rb + (b) Cs + (c) Li + (d) Na + November 9, 2020 [...]

The correct order of increasing radii of the ions Br – , F – , O 2- and s 2- is as follows F O 2- and s 2- is as follows The correct order of increasing radii of the ions Br - November 9, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + [...]

In a period, elements are arranged in strict sequence of (a) Decreasing charges in the nucleus (b) Increasing charges in the nucleus (c) Constant charges in the nucleus elements are arranged in strict sequence of (a) Decreasing charges in the nucleus (b) Increasing charges in the nucleus (c) Constant charges in the nucleus In a [...]

The ionic radii (A) of C 4- and O 2- respectively are 2.60 and 1.40. The ionic radius of the isoelectronic ion N 3- would be The ionic radii (A) of C 4- and O 2- respectively are 2.60 and 1.40. The ionic radius of the isoelectronic ion N 3- would be November 9, 2020 [...]

Which of the following has the largest ionic radius (a) Na + (b) Ni + (c) Cs + (d) Mg +2 Which of the following has the largest ionic radius (a) Na + (b) Ni + (c) Cs + (d) Mg +2 November 9, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]

Which of the following ion is the smallest ion (a) O2 + (b) O2 – (c) O2 (d) O2 -2 Which of the following ion is the smallest ion (a) O2 + (b) O2 - (c) O2 (d) O2 -2 November 9, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

The radii of F, F- , o and o -2 are in the order of (a) O 2- > F- > O > F (b) O 2- > F- > F > O (c) F- > O 2- > F > O F o and o -2 are in the order of (a) O 2- [...]

Which has the maximum atomic radius (a) Al (b) Si (c) P (d) Mg Which has the maximum atomic radius (a) Al (b) Si (c) P (d) Mg November 9, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Identify the wrong statement in the following (a) Amongst isoelectronic species, smaller the positive charge on the cation, smaller is the ionic radius (b) Amongst isoelectronic Identify the wrong statement in the following (a) Amongst isoelectronic species smaller is the ionic radius (b) Amongst isoelectronic smaller the positive charge on the cation November 9, 2020 [...]

1. What transition in the hydrogen spectrum would have the same wavelength as the Balmer transition, n=4 to n=2 of He + spectrum? 1. What transition in the hydrogen spectrum would have the same wavelength as the Balmer transition n=4 to n=2 of He + spectrum? November 9, 2020 Category: AIIMS Last 24 Years Solved [...]