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Daksh sohum
@daksh-sohum
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Joined: Mar 13, 2022
Last seen: May 1, 2022
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Topics: 163 / Replies: 0
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Topic
Phosphate fertilizers when added to water leads to
3 years ago
Forum
Environmental Chemistry
Replies: 0
Views: 74
Topic
The false statement among the following: (a) The average residence time of NO is one month. (b) Limestone acts as a sink for SOx.
3 years ago
Forum
Environmental Chemistry
Replies: 0
Views: 126
Topic
Which of the following is the major cause of global warming?
3 years ago
Forum
Environmental Chemistry
Replies: 0
Views: 86
Topic
Which of the following is/are the hazardous pollutant(s) present in automobile exhaust gases?
3 years ago
Forum
Environmental Chemistry
Replies: 0
Views: 87
Topic
Identify the pollutant gases largely responsible for the discoloured and lustreless nature of marble of the Taj Mahal?
3 years ago
Forum
Environmental Chemistry
Replies: 0
Views: 76
Topic
Soil is polluted by I. pesticides II. synthetic fertilizers III. green manure
3 years ago
Forum
Environmental Chemistry
Replies: 0
Views: 94
Topic
Excess nitrate in drinking water can cause
3 years ago
Forum
Environmental Chemistry
Replies: 0
Views: 78
Topic
Which of the following statements about the depletion of ozone layer is correct?
3 years ago
Forum
Environmental Chemistry
Replies: 0
Views: 75
Topic
Global warming is due to increase of: (a) methane and nitrous oxide in atmosphere. (b) methane and CO2 in atmosphere.
3 years ago
Forum
Environmental Chemistry
Replies: 0
Views: 75
Topic
Which of the following acts as a sink for CO? (a) Plants (b) Haemoglobin
3 years ago
Forum
Environmental Chemistry
Replies: 0
Views: 82
Topic
Which of the following statement is false? (a) London smog is oxidising in nature (b) Photochemical smog causes irritation in eyes
3 years ago
Forum
Environmental Chemistry
Replies: 0
Views: 81
Topic
Compare the general characteristics of the first series of the transition metals with those of the second and third series metals in the respective vertical columns. Give special emphasis on the following points:
3 years ago
Forum
The d-and f-Block Elements
Replies: 0
Views: 116
Topic
What can be inferred from the magnetic moment values of the following complex species? Example Magnetic Moment (BM)
3 years ago
Forum
The d-and f-Block Elements
Replies: 0
Views: 106
Topic
Comment on the statement that elements of the first transition series possess many properties different from those of heavier transition elements.
3 years ago
Forum
The d-and f-Block Elements
Replies: 0
Views: 111
Topic
Write the electronic configurations of the elements with the atomic numbers 61, 91, 101, and 109.
3 years ago
Forum
The d-and f-Block Elements
Replies: 0
Views: 107
Topic
Compare the chemistry of the actinoids with that of lanthanoids with reference to: (i) electronic configuration (ii) oxidation states and (iii) chemical reactivity.
3 years ago
Forum
The d-and f-Block Elements
Replies: 0
Views: 112
Topic
Name the members of the lanthanoid series which exhibit +4 oxidation state and those which exhibit +2 oxidation state. Try to correlate this type of behavior with the electronic configurations of these elements.
3 years ago
Forum
The d-and f-Block Elements
Replies: 0
Views: 98
Topic
Use Hund's rule to derive the electronic configuration of Ce^3+ ion and calculate its magnetic moment on the basis of 'spin-only' formula.
3 years ago
Forum
The d-and f-Block Elements
Replies: 0
Views: 94
Topic
Which is the last element in the series of actinoids? Write the electronic configuration of this element. Comment on the possible oxidation state of this element.
3 years ago
Forum
The d-and f-Block Elements
Replies: 0
Views: 96
Topic
The chemistry of the actinoid elements is not so smooth as that of the Lanthanoids. Justify this statement by giving some examples from the oxidation state of these elements.
3 years ago
Forum
The d-and f-Block Elements
Replies: 0
Views: 85
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