Chemistry-
General
Easy

Question

Consider the following nuclear reactions: table row cell blank subscript 92 end subscript superscript 238 end superscript M ⟶ blank subscript y end subscript superscript x end superscript N plus 2 blank subscript 2 end subscript superscript 4 end superscript H e end cell row cell blank subscript y end subscript superscript x end superscript N ⟶ blank subscript B end subscript superscript A end superscript L plus 2 beta to the power of plus end exponent end cell end table the number of neutrons present in the element 'L' is:

  1. 142    
  2. 144    
  3. 140    
  4. 146    

The correct answer is: 144

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chemistry-

A radioactive element decays by parallel path as given below :
table attributes columnalign right end attributes row cell A stack ⟶ with lambda subscript 1 end subscript on top B lambda subscript 1 end subscript end cell cell blank equals 1.8 cross times 10 to the power of negative 2 end exponent s e c to the power of negative 1 end exponent end cell row cell 2 A stack ⟶ with lambda subscript 2 end subscript on top B lambda subscript 2 end subscript end cell cell blank equals 10 to the power of negative 3 end exponent s e c to the power of negative 1 end exponent end cell end table
Average life of radio nuclide a will be :

A radioactive element decays by parallel path as given below :
table attributes columnalign right end attributes row cell A stack ⟶ with lambda subscript 1 end subscript on top B lambda subscript 1 end subscript end cell cell blank equals 1.8 cross times 10 to the power of negative 2 end exponent s e c to the power of negative 1 end exponent end cell row cell 2 A stack ⟶ with lambda subscript 2 end subscript on top B lambda subscript 2 end subscript end cell cell blank equals 10 to the power of negative 3 end exponent s e c to the power of negative 1 end exponent end cell end table
Average life of radio nuclide a will be :

chemistry-General
General
chemistry-

In the radioactive change, blank subscript negative Z end subscript superscript A end superscript P ⟶ blank subscript z plus 1 end subscript superscript A end superscript Q ⟶ blank subscript Z minus 1 end subscript superscript A minus 4 end superscript R ⟶ blank subscript Z minus 1 end subscript superscript A minus 4 end superscript S the radiations emitted in sequence are:

In the radioactive change, blank subscript negative Z end subscript superscript A end superscript P ⟶ blank subscript z plus 1 end subscript superscript A end superscript Q ⟶ blank subscript Z minus 1 end subscript superscript A minus 4 end superscript R ⟶ blank subscript Z minus 1 end subscript superscript A minus 4 end superscript S the radiations emitted in sequence are:

chemistry-General
General
chemistry-

(A) blank subscript 92 end subscript superscript 238 end superscript U left parenthesis I I I B right parenthesis stack ⟶ with negative alpha on top A stack ⟶ with negative alpha on top B stack ⟶ with negative beta on top C
(R) Element B will be of IIA grou

(A) blank subscript 92 end subscript superscript 238 end superscript U left parenthesis I I I B right parenthesis stack ⟶ with negative alpha on top A stack ⟶ with negative alpha on top B stack ⟶ with negative beta on top C
(R) Element B will be of IIA grou

chemistry-General
parallel
General
chemistry-

The following graph illustrates:

The following graph illustrates:

chemistry-General
General
chemistry-

The IUPAC name of compound is

The IUPAC name of compound is

chemistry-General
General
chemistry-

The suffix of the principal group, the prefixes for the other groups and the name of the parent in the structure are given by the set:

The suffix of the principal group, the prefixes for the other groups and the name of the parent in the structure are given by the set:

chemistry-General
parallel
General
chemistry-

The IUPAC name of
is:

The IUPAC name of
is:

chemistry-General
General
chemistry-

The IUPAC name of given compound is -

The IUPAC name of given compound is -

chemistry-General
General
chemistry-

The IUPAC name of

The IUPAC name of

chemistry-General
parallel
General
chemistry-

IUPAC name of the following compound is -

IUPAC name of the following compound is -

chemistry-General
General
chemistry-

The correct IUPAC name of :

The correct IUPAC name of :

chemistry-General
General
chemistry-

IUPAC name of compound is

IUPAC name of compound is

chemistry-General
parallel
General
chemistry-

The IUPAC name of given compound is

The IUPAC name of given compound is

chemistry-General
General
chemistry-

Give the IUPAC name of

Give the IUPAC name of

chemistry-General
General
chemistry-

What is the correct IUPAC name for the following compound ?

What is the correct IUPAC name for the following compound ?

chemistry-General
parallel

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