Recent questions in p-Block elements (Group-15 to Group-18)

A cylinder contains $0.03\; m^3$ of Argon gas at a temperature of $25^\circ C$ and a pressure of $1.2\; MPa$. Find the internal energy of the gas.

asked Jul 29, 2014 by balaji.thirumalai

1 answer

Which of the following best represents the internal energy per mole of a noble gas?

asked Jul 29, 2014 by balaji.thirumalai

1 answer

Which of the following elements does not exhibit basic properties?

asked Jul 29, 2014 by sreemathi.v

1 answer

In the preparation of compounds of Xe, Bartlett had taken $O_2^{+} Pt F_6^{-}$ as a base compound. This is because:

asked Jul 29, 2014 by balaji.thirumalai

1 answer

Which of the following interhalogens is colourless?

asked Jul 29, 2014 by sreemathi.v

1 answer

The structure of $ClF_3$ is

asked Jul 29, 2014 by sreemathi.v

1 answer

Which of the following halogens is the strongest oxidizing agent?

asked Jul 29, 2014 by sreemathi.v

1 answer

The hybridization $sp^3d^3$ leads to

asked Jul 29, 2014 by sreemathi.v

1 answer

Which of the following is anhydride of perchloric acid?

asked Jul 29, 2014 by sreemathi.v

1 answer

Which of the following is not a pseudohalogen ?

asked Jul 29, 2014 by sreemathi.v

1 answer

The hybridization of I in $ICl^-_4$ is

asked Jul 29, 2014 by sreemathi.v

1 answer

Which of the following interhalogen is not observed?

asked Jul 29, 2014 by sreemathi.v

1 answer

The hybridization of I in $ICl^-_2$ is

asked Jul 29, 2014 by sreemathi.v

1 answer

The structure of interhalogen $AX_3$ is

asked Jul 29, 2014 by sreemathi.v

1 answer

When chlorine reacts with cold and dilute solution of sodium hydroxide the products obtained are

asked Jul 29, 2014 by sreemathi.v

1 answer

Which of the halogens is found in DDT?

asked Jul 29, 2014 by sreemathi.v

1 answer

Which of the halogens is found in Teflon?

asked Jul 29, 2014 by sreemathi.v

1 answer

Which of the following orders regarding the acid character of hydrogen halides in the aqueous medium is correct?

asked Jul 28, 2014 by sreemathi.v

1 answer

Which of the following reactions regarding the preparation of hydrogen halide is not correct?

asked Jul 28, 2014 by sreemathi.v

1 answer

Which of the following reactions would not proceed to right hand side?

asked Jul 28, 2014 by sreemathi.v

1 answer

Which of the following equations is not shown by the appropriate halogen ?

asked Jul 28, 2014 by sreemathi.v

1 answer

Which of the following orders regarding halogens is not true?

asked Jul 28, 2014 by sreemathi.v

1 answer

Which of the following orders regarding the boiling point of halogens is true?

asked Jul 28, 2014 by sreemathi.v

1 answer

Which of the following halogens does not show positive oxidation states?

asked Jul 28, 2014 by sreemathi.v

1 answer

Which of the following statements regarding halogens is not true?

asked Jul 28, 2014 by sreemathi.v

1 answer

Which of the following forms the most basic 0.1M solution?

asked Jul 28, 2014 by sreemathi.v

1 answer

Which of the following molecules is not paramagnetic?

asked Jul 28, 2014 by sreemathi.v

1 answer

The anhydride of $HClO_4$ is

asked Jul 28, 2014 by sreemathi.v

1 answer

Which of the interhalogens is unstable?

asked Jul 28, 2014 by sreemathi.v

1 answer

Which of the following is not correct?

asked Jul 28, 2014 by sreemathi.v

1 answer

Which of the following statements is not correct?

asked Jul 28, 2014 by sreemathi.v

1 answer

Which of the following statements is not correct?

asked Jul 28, 2014 by sreemathi.v

1 answer

The strength of halogen acids in water follows the order

asked Jul 28, 2014 by sreemathi.v

1 answer

Which of the following reactions is quite violent in nature?

asked Jul 28, 2014 by sreemathi.v

1 answer

Which of the halogen is most abundant in the earth's crust?

asked Jul 28, 2014 by sreemathi.v

1 answer

Which of the following does not contain fluorine?

asked Jul 28, 2014 by sreemathi.v

1 answer

Which of the following orders of melting point of hydrides of halogens is correct?

asked Jul 28, 2014 by sreemathi.v

1 answer

Which of the following halogens does not exhibit positive oxidation state?

asked Jul 28, 2014 by sreemathi.v

1 answer

Which of the following is the only noble gas not to occur in the free state in the atomosphere, air, in oute space or in natural gases etc.

asked Jul 28, 2014 by balaji.thirumalai

1 answer

Which of the following orders of bond dissociation enthalpy of halogens is correct?

asked Jul 28, 2014 by sreemathi.v

1 answer

Which of the following mixtures is used by divers in their breathing apparatus for respiration purposes?

asked Jul 28, 2014 by balaji.thirumalai

1 answer

Which of the following statements about the atomic and physical properties of noble-gases are incorrect?

asked Jul 28, 2014 by balaji.thirumalai

1 answer

Which of the following orders of electron affinities of halogen is correct?

asked Jul 28, 2014 by sreemathi.v

1 answer

Arrange the noble gases in order of increasing Atomic Mass.

asked Jul 28, 2014 by balaji.thirumalai

1 answer

Which of the following is radioactive halogen?

asked Jul 28, 2014 by sreemathi.v

1 answer

What is the Poisson's ratio for the noble gases?

asked Jul 28, 2014 by balaji.thirumalai

1 answer

The atomic number of astatine which belongs to six period is

asked Jul 28, 2014 by sreemathi.v

1 answer

Which of the following statements about the properties of Helium is incorrect?

asked Jul 28, 2014 by balaji.thirumalai

1 answer

The number of halogens known as so far is

asked Jul 28, 2014 by sreemathi.v

1 answer

When XeF$_4$ reacts with water, which of the following are possible product(s) that can be formed? Xe, HF, XeO$_3$, XeOF$_3$, XeO$_4$, O$_3$.

asked Jul 27, 2014 by balaji.thirumalai

1 answer

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