Chemistry
(i) Write the IUPAC names of each of the following:
(ii) Rewrite the following sentences by using the correct symbol > (greater than) or < (less than) in the blanks given:
The ionization potential of Potassium is ………….. that of Sodium.
The electronegativity of Iodine is ………….. that of Chlorine.
Organic Chemistry
ICSE 2016
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Answer
(i) 1. Propene
2-butyne
ethanal
(ii) 1. The ionization potential of potassium is < (less than) that of Sodium.
- The electronegativity of iodine is < (less than) that of chlorine.
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Related Questions
(i) A gas of mass 32 gms has a volume of 20 litres at S.T.P. Calculate the gram molecular weight of the gas.
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2Ca(NO3)2 ⟶ 2CaO + 4NO2 + O2
[Ca = 40, N = 14, O = 16]
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I II III IV V VI VII O 1 L 2 Q E G J Z M 3 R 4 T (i) State the number of valence electrons in atom J.
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(iii) Which metallic element is more reactive than R?
(iv) Which element has it's electrons arranged in four shells?
Fill in the blanks by selecting the correct word :
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(ii) If an element has seven electrons in it's outermost shell then it is likely to have the ………. (largest/smallest) atomic size among all the elements in the same period.